Home / 89,366.70-123,329.07-51,132.54

Finding the Fourth Proportional to 89,366.70, 123,329.07 and 51,132.54

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Solution

The fourth proportional to 89,366.70, 123,329.07 and 51,132.54 is: 70,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,366.70 : 123,329.07 = 51,132.54 : x
  2. Step 2: Convert to fraction form
    89,366.70/123,329.07 = 51,132.54/x
  3. Step 3: Cross multiply
    89,366.70x = 123,329.07 × 51,132.54
  4. Step 4: Simplify right side
    89,366.70x = 6,306,128,604.94
  5. Step 5: Solve for x
    x = 6,306,128,604.94/89,366.70
  6. Step 6: Final answer
    x = 70,564.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.